/*
 * minitape.h
 *
 * Minitape driver interface
 *
 * This file is part of the w32api package.
 *
 * Contributors:
 *   Created by Casper S. Hornstrup <chorns@users.sourceforge.net>
 *
 * THIS SOFTWARE IS NOT COPYRIGHTED
 *
 * This source code is offered for use in the public domain. You may
 * use, modify or distribute it freely.
 *
 * This code is distributed in the hope that it will be useful but
 * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
 * DISCLAIMED. This includes but is not limited to warranties of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 */
#ifndef _MINITAPE_
#define _MINITAPE_

#ifdef __cplusplus
extern "C" {
#endif

#pragma pack(push,4)

#define MEDIA_ERASEABLE                   0x00000001
#define MEDIA_WRITE_ONCE                  0x00000002
#define MEDIA_READ_ONLY                   0x00000004
#define MEDIA_READ_WRITE                  0x00000008
#define MEDIA_WRITE_PROTECTED             0x00000100
#define MEDIA_CURRENTLY_MOUNTED           0x80000000

typedef enum _TAPE_STATUS {
  TAPE_STATUS_SEND_SRB_AND_CALLBACK,
  TAPE_STATUS_CALLBACK,
  TAPE_STATUS_CHECK_TEST_UNIT_READY,
  TAPE_STATUS_SUCCESS,
  TAPE_STATUS_INSUFFICIENT_RESOURCES,
  TAPE_STATUS_NOT_IMPLEMENTED,
  TAPE_STATUS_INVALID_DEVICE_REQUEST,
  TAPE_STATUS_INVALID_PARAMETER,
  TAPE_STATUS_MEDIA_CHANGED,
  TAPE_STATUS_BUS_RESET,
  TAPE_STATUS_SETMARK_DETECTED,
  TAPE_STATUS_FILEMARK_DETECTED,
  TAPE_STATUS_BEGINNING_OF_MEDIA,
  TAPE_STATUS_END_OF_MEDIA,
  TAPE_STATUS_BUFFER_OVERFLOW,
  TAPE_STATUS_NO_DATA_DETECTED,
  TAPE_STATUS_EOM_OVERFLOW,
  TAPE_STATUS_NO_MEDIA,
  TAPE_STATUS_IO_DEVICE_ERROR,
  TAPE_STATUS_UNRECOGNIZED_MEDIA,
  TAPE_STATUS_DEVICE_NOT_READY,
  TAPE_STATUS_MEDIA_WRITE_PROTECTED,
  TAPE_STATUS_DEVICE_DATA_ERROR,
  TAPE_STATUS_NO_SUCH_DEVICE,
  TAPE_STATUS_INVALID_BLOCK_LENGTH,
  TAPE_STATUS_IO_TIMEOUT,
  TAPE_STATUS_DEVICE_NOT_CONNECTED,
  TAPE_STATUS_DATA_OVERRUN,
  TAPE_STATUS_DEVICE_BUSY,
  TAPE_STATUS_REQUIRES_CLEANING,
  TAPE_STATUS_CLEANER_CARTRIDGE_INSTALLED
} TAPE_STATUS, *PTAPE_STATUS;

#define INQUIRYDATABUFFERSIZE 36

#ifndef _INQUIRYDATA_DEFINED /* also in scsi.h */
#define _INQUIRYDATA_DEFINED

typedef struct _INQUIRYDATA {
  UCHAR DeviceType:5;
  UCHAR DeviceTypeQualifier:3;
  UCHAR DeviceTypeModifier:7;
  UCHAR RemovableMedia:1;
  __GNU_EXTENSION union {
    UCHAR Versions;
    __GNU_EXTENSION struct {
      UCHAR ANSIVersion:3;
      UCHAR ECMAVersion:3;
      UCHAR ISOVersion:2;
    };
  };
  UCHAR ResponseDataFormat:4;
  UCHAR HiSupport:1;
  UCHAR NormACA:1;
  UCHAR TerminateTask:1;
  UCHAR AERC:1;
  UCHAR AdditionalLength;
  UCHAR Reserved;
  UCHAR Addr16:1;
  UCHAR Addr32:1;
  UCHAR AckReqQ:1;
  UCHAR MediumChanger:1;
  UCHAR MultiPort:1;
  UCHAR ReservedBit2:1;
  UCHAR EnclosureServices:1;
  UCHAR ReservedBit3:1;
  UCHAR SoftReset:1;
  UCHAR CommandQueue:1;
  UCHAR TransferDisable:1;
  UCHAR LinkedCommands:1;
  UCHAR Synchronous:1;
  UCHAR Wide16Bit:1;
  UCHAR Wide32Bit:1;
  UCHAR RelativeAddressing:1;
  UCHAR VendorId[8];
  UCHAR ProductId[16];
  UCHAR ProductRevisionLevel[4];
  UCHAR VendorSpecific[20];
  UCHAR Reserved3[40];
} INQUIRYDATA, *PINQUIRYDATA;

#endif /* _INQUIRYDATA_DEFINED */

typedef struct _MODE_CAPABILITIES_PAGE {
  UCHAR PageCode:6;
  UCHAR Reserved1:2;
  UCHAR PageLength;
  UCHAR Reserved2[2];
  UCHAR RO:1;
  UCHAR Reserved3:4;
  UCHAR SPREV:1;
  UCHAR Reserved4:2;
  UCHAR Reserved5:3;
  UCHAR EFMT:1;
  UCHAR Reserved6:1;
  UCHAR QFA:1;
  UCHAR Reserved7:2;
  UCHAR LOCK:1;
  UCHAR LOCKED:1;
  UCHAR PREVENT:1;
  UCHAR UNLOAD:1;
  UCHAR Reserved8:2;
  UCHAR ECC:1;
  UCHAR CMPRS:1;
  UCHAR Reserved9:1;
  UCHAR BLK512:1;
  UCHAR BLK1024:1;
  UCHAR Reserved10:4;
  UCHAR SLOWB:1;
  UCHAR MaximumSpeedSupported[2];
  UCHAR MaximumStoredDefectedListEntries[2];
  UCHAR ContinuousTransferLimit[2];
  UCHAR CurrentSpeedSelected[2];
  UCHAR BufferSize[2];
  UCHAR Reserved11[2];
} MODE_CAPABILITIES_PAGE, *PMODE_CAPABILITIES_PAGE;

typedef BOOLEAN
(NTAPI *TAPE_VERIFY_INQUIRY_ROUTINE)(
  _In_ PINQUIRYDATA InquiryData,
  _In_ PMODE_CAPABILITIES_PAGE ModeCapabilitiesPage);

typedef VOID
(NTAPI *TAPE_EXTENSION_INIT_ROUTINE)(
  _In_ PVOID MinitapeExtension,
  _In_ PINQUIRYDATA InquiryData,
  _In_ PMODE_CAPABILITIES_PAGE ModeCapabilitiesPage);

typedef VOID
(NTAPI *TAPE_ERROR_ROUTINE)(
  _In_ PVOID MinitapeExtension,
  _In_ PSCSI_REQUEST_BLOCK Srb,
  _Inout_ PTAPE_STATUS TapeStatus);

typedef TAPE_STATUS
(NTAPI *TAPE_PROCESS_COMMAND_ROUTINE)(
  _Inout_ PVOID MinitapeExtension,
  _Inout_ PVOID CommandExtension,
  _Inout_ PVOID CommandParameters,
  _Inout_ PSCSI_REQUEST_BLOCK Srb,
  _In_ ULONG CallNumber,
  _In_ TAPE_STATUS StatusOfLastCommand,
  _Inout_ PULONG RetryFlags);

#define TAPE_RETRY_MASK                   0x0000FFFF
#define IGNORE_ERRORS                     0x00010000
#define RETURN_ERRORS                     0x00020000

typedef struct _TAPE_INIT_DATA {
  TAPE_VERIFY_INQUIRY_ROUTINE VerifyInquiry;
  BOOLEAN QueryModeCapabilitiesPage;
  ULONG MinitapeExtensionSize;
  TAPE_EXTENSION_INIT_ROUTINE ExtensionInit;
  ULONG DefaultTimeOutValue;
  TAPE_ERROR_ROUTINE TapeError;
  ULONG CommandExtensionSize;
  TAPE_PROCESS_COMMAND_ROUTINE CreatePartition;
  TAPE_PROCESS_COMMAND_ROUTINE Erase;
  TAPE_PROCESS_COMMAND_ROUTINE GetDriveParameters;
  TAPE_PROCESS_COMMAND_ROUTINE GetMediaParameters;
  TAPE_PROCESS_COMMAND_ROUTINE GetPosition;
  TAPE_PROCESS_COMMAND_ROUTINE GetStatus;
  TAPE_PROCESS_COMMAND_ROUTINE Prepare;
  TAPE_PROCESS_COMMAND_ROUTINE SetDriveParameters;
  TAPE_PROCESS_COMMAND_ROUTINE SetMediaParameters;
  TAPE_PROCESS_COMMAND_ROUTINE SetPosition;
  TAPE_PROCESS_COMMAND_ROUTINE WriteMarks;
  TAPE_PROCESS_COMMAND_ROUTINE PreProcessReadWrite; /* optional */
} TAPE_INIT_DATA, *PTAPE_INIT_DATA;

typedef struct _TAPE_PHYS_POSITION {
  ULONG SeekBlockAddress;
  ULONG SpaceBlockCount;
} TAPE_PHYS_POSITION, PTAPE_PHYS_POSITION;

#pragma pack(pop)

#ifdef __cplusplus
}
#endif

#endif /* _MINITAPE_ */
